729 lines
32 KiB
Rust
729 lines
32 KiB
Rust
// Copyright 2016 Mozilla
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use
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// this file except in compliance with the License. You may obtain a copy of the
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// License at http://www.apache.org/licenses/LICENSE-2.0
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// Unless required by applicable law or agreed to in writing, software distributed
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// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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// CONDITIONS OF ANY KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations under the License.
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extern crate mentat_core;
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extern crate mentat_query;
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extern crate mentat_query_algebrizer;
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extern crate mentat_query_parser;
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extern crate mentat_query_translator;
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extern crate mentat_sql;
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use std::rc::Rc;
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use mentat_query::{
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NamespacedKeyword,
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Variable,
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};
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use mentat_core::{
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Attribute,
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Entid,
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Schema,
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TypedValue,
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ValueType,
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};
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use mentat_query_parser::parse_find_string;
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use mentat_query_algebrizer::{
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QueryInputs,
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algebrize,
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algebrize_with_inputs,
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};
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use mentat_query_translator::{
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query_to_select,
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};
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use mentat_sql::SQLQuery;
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fn associate_ident(schema: &mut Schema, i: NamespacedKeyword, e: Entid) {
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schema.entid_map.insert(e, i.clone());
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schema.ident_map.insert(i.clone(), e);
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}
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fn add_attribute(schema: &mut Schema, e: Entid, a: Attribute) {
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schema.schema_map.insert(e, a);
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}
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fn translate_with_inputs(schema: &Schema, query: &'static str, inputs: QueryInputs) -> SQLQuery {
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let parsed = parse_find_string(query).expect("parse failed");
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let algebrized = algebrize_with_inputs(schema, parsed, 0, inputs).expect("algebrize failed");
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let select = query_to_select(algebrized);
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select.query.to_sql_query().unwrap()
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}
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fn translate(schema: &Schema, query: &'static str) -> SQLQuery {
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translate_with_inputs(schema, query, QueryInputs::default())
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}
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fn prepopulated_typed_schema(foo_type: ValueType) -> Schema {
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let mut schema = Schema::default();
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associate_ident(&mut schema, NamespacedKeyword::new("foo", "bar"), 99);
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add_attribute(&mut schema, 99, Attribute {
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value_type: foo_type,
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..Default::default()
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});
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schema
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}
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fn prepopulated_schema() -> Schema {
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prepopulated_typed_schema(ValueType::String)
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}
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fn make_arg(name: &'static str, value: &'static str) -> (String, Rc<mentat_sql::Value>) {
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(name.to_string(), Rc::new(mentat_sql::Value::Text(value.to_string())))
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}
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#[test]
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fn test_scalar() {
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let schema = prepopulated_schema();
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let query = r#"[:find ?x . :where [?x :foo/bar "yyy"]]"#;
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let SQLQuery { sql, args } = translate(&schema, query);
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assert_eq!(sql, "SELECT `datoms00`.e AS `?x` FROM `datoms` AS `datoms00` WHERE `datoms00`.a = 99 AND `datoms00`.v = $v0 LIMIT 1");
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assert_eq!(args, vec![make_arg("$v0", "yyy")]);
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}
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#[test]
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fn test_tuple() {
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let schema = prepopulated_schema();
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let query = r#"[:find [?x] :where [?x :foo/bar "yyy"]]"#;
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let SQLQuery { sql, args } = translate(&schema, query);
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assert_eq!(sql, "SELECT `datoms00`.e AS `?x` FROM `datoms` AS `datoms00` WHERE `datoms00`.a = 99 AND `datoms00`.v = $v0 LIMIT 1");
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assert_eq!(args, vec![make_arg("$v0", "yyy")]);
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}
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#[test]
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fn test_coll() {
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let schema = prepopulated_schema();
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let query = r#"[:find [?x ...] :where [?x :foo/bar "yyy"]]"#;
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let SQLQuery { sql, args } = translate(&schema, query);
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assert_eq!(sql, "SELECT DISTINCT `datoms00`.e AS `?x` FROM `datoms` AS `datoms00` WHERE `datoms00`.a = 99 AND `datoms00`.v = $v0");
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assert_eq!(args, vec![make_arg("$v0", "yyy")]);
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}
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#[test]
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fn test_rel() {
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let schema = prepopulated_schema();
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let query = r#"[:find ?x :where [?x :foo/bar "yyy"]]"#;
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let SQLQuery { sql, args } = translate(&schema, query);
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assert_eq!(sql, "SELECT DISTINCT `datoms00`.e AS `?x` FROM `datoms` AS `datoms00` WHERE `datoms00`.a = 99 AND `datoms00`.v = $v0");
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assert_eq!(args, vec![make_arg("$v0", "yyy")]);
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}
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#[test]
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fn test_limit() {
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let schema = prepopulated_schema();
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let query = r#"[:find ?x :where [?x :foo/bar "yyy"] :limit 5]"#;
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let SQLQuery { sql, args } = translate(&schema, query);
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assert_eq!(sql, "SELECT DISTINCT `datoms00`.e AS `?x` FROM `datoms` AS `datoms00` WHERE `datoms00`.a = 99 AND `datoms00`.v = $v0 LIMIT 5");
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assert_eq!(args, vec![make_arg("$v0", "yyy")]);
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}
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#[test]
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fn test_unbound_variable_limit() {
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let schema = prepopulated_schema();
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// We don't know the value of the limit var, so we produce an escaped SQL variable to handle
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// later input.
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let query = r#"[:find ?x :in ?limit-is-9-great :where [?x :foo/bar "yyy"] :limit ?limit-is-9-great]"#;
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let SQLQuery { sql, args } = translate_with_inputs(&schema, query, QueryInputs::default());
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assert_eq!(sql, "SELECT DISTINCT `datoms00`.e AS `?x` \
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FROM `datoms` AS `datoms00` \
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WHERE `datoms00`.a = 99 AND `datoms00`.v = $v0 \
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LIMIT $ilimit_is_9_great");
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assert_eq!(args, vec![make_arg("$v0", "yyy")]);
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}
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#[test]
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fn test_bound_variable_limit() {
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let schema = prepopulated_schema();
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// We know the value of `?limit` at algebrizing time, so we substitute directly.
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let query = r#"[:find ?x :in ?limit :where [?x :foo/bar "yyy"] :limit ?limit]"#;
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let inputs = QueryInputs::with_value_sequence(vec![(Variable::from_valid_name("?limit"), TypedValue::Long(92))]);
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let SQLQuery { sql, args } = translate_with_inputs(&schema, query, inputs);
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assert_eq!(sql, "SELECT DISTINCT `datoms00`.e AS `?x` FROM `datoms` AS `datoms00` WHERE `datoms00`.a = 99 AND `datoms00`.v = $v0 LIMIT 92");
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assert_eq!(args, vec![make_arg("$v0", "yyy")]);
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}
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#[test]
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fn test_bound_variable_limit_affects_distinct() {
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let schema = prepopulated_schema();
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// We know the value of `?limit` at algebrizing time, so we substitute directly.
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// As it's `1`, we know we don't need `DISTINCT`!
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let query = r#"[:find ?x :in ?limit :where [?x :foo/bar "yyy"] :limit ?limit]"#;
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let inputs = QueryInputs::with_value_sequence(vec![(Variable::from_valid_name("?limit"), TypedValue::Long(1))]);
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let SQLQuery { sql, args } = translate_with_inputs(&schema, query, inputs);
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assert_eq!(sql, "SELECT `datoms00`.e AS `?x` FROM `datoms` AS `datoms00` WHERE `datoms00`.a = 99 AND `datoms00`.v = $v0 LIMIT 1");
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assert_eq!(args, vec![make_arg("$v0", "yyy")]);
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}
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#[test]
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fn test_bound_variable_limit_affects_types() {
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let schema = prepopulated_schema();
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let query = r#"[:find ?x ?limit :in ?limit :where [?x _ ?limit] :limit ?limit]"#;
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let parsed = parse_find_string(query).expect("parse failed");
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let algebrized = algebrize(&schema, parsed).expect("algebrize failed");
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// The type is known.
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assert_eq!(Some(ValueType::Long),
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algebrized.cc.known_type(&Variable::from_valid_name("?limit")));
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let select = query_to_select(algebrized);
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let SQLQuery { sql, args } = select.query.to_sql_query().unwrap();
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// TODO: this query isn't actually correct -- we don't yet algebrize for variables that are
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// specified in `:in` but not provided at algebrizing time. But it shows what we care about
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// at the moment: we don't project a type column, because we know it's a Long.
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assert_eq!(sql, "SELECT DISTINCT `datoms00`.e AS `?x`, `datoms00`.v AS `?limit` FROM `datoms` AS `datoms00` LIMIT $ilimit");
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assert_eq!(args, vec![]);
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}
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#[test]
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fn test_unknown_attribute_keyword_value() {
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let schema = Schema::default();
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let query = r#"[:find ?x :where [?x _ :ab/yyy]]"#;
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let SQLQuery { sql, args } = translate(&schema, query);
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// Only match keywords, not strings: tag = 13.
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assert_eq!(sql, "SELECT DISTINCT `datoms00`.e AS `?x` FROM `datoms` AS `datoms00` WHERE `datoms00`.v = $v0 AND `datoms00`.value_type_tag = 13");
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assert_eq!(args, vec![make_arg("$v0", ":ab/yyy")]);
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}
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#[test]
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fn test_unknown_attribute_string_value() {
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let schema = Schema::default();
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let query = r#"[:find ?x :where [?x _ "horses"]]"#;
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let SQLQuery { sql, args } = translate(&schema, query);
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// We expect all_datoms because we're querying for a string. Magic, that.
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// We don't want keywords etc., so tag = 10.
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assert_eq!(sql, "SELECT DISTINCT `all_datoms00`.e AS `?x` FROM `all_datoms` AS `all_datoms00` WHERE `all_datoms00`.v = $v0 AND `all_datoms00`.value_type_tag = 10");
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assert_eq!(args, vec![make_arg("$v0", "horses")]);
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}
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#[test]
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fn test_unknown_attribute_double_value() {
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let schema = Schema::default();
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let query = r#"[:find ?x :where [?x _ 9.95]]"#;
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let SQLQuery { sql, args } = translate(&schema, query);
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// In general, doubles _could_ be 1.0, which might match a boolean or a ref. Set tag = 5 to
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// make sure we only match numbers.
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assert_eq!(sql, "SELECT DISTINCT `datoms00`.e AS `?x` FROM `datoms` AS `datoms00` WHERE `datoms00`.v = 9.95e0 AND `datoms00`.value_type_tag = 5");
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assert_eq!(args, vec![]);
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}
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#[test]
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fn test_unknown_attribute_integer_value() {
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let schema = Schema::default();
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let negative = r#"[:find ?x :where [?x _ -1]]"#;
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let zero = r#"[:find ?x :where [?x _ 0]]"#;
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let one = r#"[:find ?x :where [?x _ 1]]"#;
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let two = r#"[:find ?x :where [?x _ 2]]"#;
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// Can't match boolean; no need to filter it out.
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let SQLQuery { sql, args } = translate(&schema, negative);
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assert_eq!(sql, "SELECT DISTINCT `datoms00`.e AS `?x` FROM `datoms` AS `datoms00` WHERE `datoms00`.v = -1");
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assert_eq!(args, vec![]);
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// Excludes booleans.
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let SQLQuery { sql, args } = translate(&schema, zero);
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assert_eq!(sql, "SELECT DISTINCT `datoms00`.e AS `?x` FROM `datoms` AS `datoms00` WHERE (`datoms00`.v = 0 AND `datoms00`.value_type_tag <> 1)");
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assert_eq!(args, vec![]);
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// Excludes booleans.
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let SQLQuery { sql, args } = translate(&schema, one);
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assert_eq!(sql, "SELECT DISTINCT `datoms00`.e AS `?x` FROM `datoms` AS `datoms00` WHERE (`datoms00`.v = 1 AND `datoms00`.value_type_tag <> 1)");
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assert_eq!(args, vec![]);
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// Can't match boolean; no need to filter it out.
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let SQLQuery { sql, args } = translate(&schema, two);
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assert_eq!(sql, "SELECT DISTINCT `datoms00`.e AS `?x` FROM `datoms` AS `datoms00` WHERE `datoms00`.v = 2");
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assert_eq!(args, vec![]);
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}
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#[test]
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fn test_unknown_ident() {
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let schema = Schema::default();
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let impossible = r#"[:find ?x :where [?x :db/ident :no/exist]]"#;
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let parsed = parse_find_string(impossible).expect("parse failed");
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let algebrized = algebrize(&schema, parsed).expect("algebrize failed");
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// This query cannot return results: the ident doesn't resolve for a ref-typed attribute.
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assert!(algebrized.is_known_empty());
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// If you insist…
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let select = query_to_select(algebrized);
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let sql = select.query.to_sql_query().unwrap().sql;
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assert_eq!("SELECT 1 LIMIT 0", sql);
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}
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#[test]
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fn test_numeric_less_than_unknown_attribute() {
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let schema = Schema::default();
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let query = r#"[:find ?x :where [?x _ ?y] [(< ?y 10)]]"#;
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let SQLQuery { sql, args } = translate(&schema, query);
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// Although we infer numericness from numeric predicates, we've already assigned a table to the
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// first pattern, and so this is _still_ `all_datoms`.
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assert_eq!(sql, "SELECT DISTINCT `all_datoms00`.e AS `?x` FROM `all_datoms` AS `all_datoms00` WHERE `all_datoms00`.v < 10");
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assert_eq!(args, vec![]);
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}
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#[test]
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fn test_numeric_gte_known_attribute() {
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let schema = prepopulated_typed_schema(ValueType::Double);
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let query = r#"[:find ?x :where [?x :foo/bar ?y] [(>= ?y 12.9)]]"#;
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let SQLQuery { sql, args } = translate(&schema, query);
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assert_eq!(sql, "SELECT DISTINCT `datoms00`.e AS `?x` FROM `datoms` AS `datoms00` WHERE `datoms00`.a = 99 AND `datoms00`.v >= 1.29e1");
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assert_eq!(args, vec![]);
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}
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#[test]
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fn test_numeric_not_equals_known_attribute() {
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let schema = prepopulated_typed_schema(ValueType::Long);
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let query = r#"[:find ?x . :where [?x :foo/bar ?y] [(!= ?y 12)]]"#;
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let SQLQuery { sql, args } = translate(&schema, query);
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assert_eq!(sql, "SELECT `datoms00`.e AS `?x` FROM `datoms` AS `datoms00` WHERE `datoms00`.a = 99 AND `datoms00`.v <> 12 LIMIT 1");
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assert_eq!(args, vec![]);
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}
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#[test]
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fn test_simple_or_join() {
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let mut schema = Schema::default();
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associate_ident(&mut schema, NamespacedKeyword::new("page", "url"), 97);
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associate_ident(&mut schema, NamespacedKeyword::new("page", "title"), 98);
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associate_ident(&mut schema, NamespacedKeyword::new("page", "description"), 99);
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for x in 97..100 {
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add_attribute(&mut schema, x, Attribute {
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value_type: ValueType::String,
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..Default::default()
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});
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}
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let query = r#"[:find [?url ?description]
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:where
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(or-join [?page]
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[?page :page/url "http://foo.com/"]
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[?page :page/title "Foo"])
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[?page :page/url ?url]
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[?page :page/description ?description]]"#;
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let SQLQuery { sql, args } = translate(&schema, query);
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assert_eq!(sql, "SELECT `datoms01`.v AS `?url`, `datoms02`.v AS `?description` FROM `datoms` AS `datoms00`, `datoms` AS `datoms01`, `datoms` AS `datoms02` WHERE ((`datoms00`.a = 97 AND `datoms00`.v = $v0) OR (`datoms00`.a = 98 AND `datoms00`.v = $v1)) AND `datoms01`.a = 97 AND `datoms02`.a = 99 AND `datoms00`.e = `datoms01`.e AND `datoms00`.e = `datoms02`.e LIMIT 1");
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assert_eq!(args, vec![make_arg("$v0", "http://foo.com/"), make_arg("$v1", "Foo")]);
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}
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#[test]
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fn test_complex_or_join() {
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let mut schema = Schema::default();
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associate_ident(&mut schema, NamespacedKeyword::new("page", "save"), 95);
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add_attribute(&mut schema, 95, Attribute {
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value_type: ValueType::Ref,
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..Default::default()
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});
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associate_ident(&mut schema, NamespacedKeyword::new("save", "title"), 96);
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associate_ident(&mut schema, NamespacedKeyword::new("page", "url"), 97);
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associate_ident(&mut schema, NamespacedKeyword::new("page", "title"), 98);
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associate_ident(&mut schema, NamespacedKeyword::new("page", "description"), 99);
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for x in 96..100 {
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add_attribute(&mut schema, x, Attribute {
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value_type: ValueType::String,
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..Default::default()
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});
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}
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let query = r#"[:find [?url ?description]
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:where
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(or-join [?page]
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[?page :page/url "http://foo.com/"]
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[?page :page/title "Foo"]
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(and
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[?page :page/save ?save]
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[?save :save/title "Foo"]))
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[?page :page/url ?url]
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[?page :page/description ?description]]"#;
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let SQLQuery { sql, args } = translate(&schema, query);
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assert_eq!(sql, "SELECT `datoms04`.v AS `?url`, \
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`datoms05`.v AS `?description` \
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FROM (SELECT `datoms00`.e AS `?page` \
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FROM `datoms` AS `datoms00` \
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WHERE `datoms00`.a = 97 \
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AND `datoms00`.v = $v0 \
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UNION \
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SELECT `datoms01`.e AS `?page` \
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FROM `datoms` AS `datoms01` \
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WHERE `datoms01`.a = 98 \
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AND `datoms01`.v = $v1 \
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UNION \
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SELECT `datoms02`.e AS `?page` \
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FROM `datoms` AS `datoms02`, \
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`datoms` AS `datoms03` \
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WHERE `datoms02`.a = 95 \
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AND `datoms03`.a = 96 \
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AND `datoms03`.v = $v1 \
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AND `datoms02`.v = `datoms03`.e) AS `c00`, \
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`datoms` AS `datoms04`, \
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`datoms` AS `datoms05` \
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WHERE `datoms04`.a = 97 \
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AND `datoms05`.a = 99 \
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AND `c00`.`?page` = `datoms04`.e \
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AND `c00`.`?page` = `datoms05`.e \
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LIMIT 1");
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assert_eq!(args, vec![make_arg("$v0", "http://foo.com/"),
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make_arg("$v1", "Foo")]);
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}
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#[test]
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fn test_complex_or_join_type_projection() {
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let mut schema = Schema::default();
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associate_ident(&mut schema, NamespacedKeyword::new("page", "title"), 98);
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add_attribute(&mut schema, 98, Attribute {
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value_type: ValueType::String,
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..Default::default()
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});
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let query = r#"[:find [?y]
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:where
|
|
(or
|
|
[6 :page/title ?y]
|
|
[5 _ ?y])]"#;
|
|
let SQLQuery { sql, args } = translate(&schema, query);
|
|
assert_eq!(sql, "SELECT `c00`.`?y` AS `?y`, \
|
|
`c00`.`?y_value_type_tag` AS `?y_value_type_tag` \
|
|
FROM (SELECT `datoms00`.v AS `?y`, \
|
|
10 AS `?y_value_type_tag` \
|
|
FROM `datoms` AS `datoms00` \
|
|
WHERE `datoms00`.e = 6 \
|
|
AND `datoms00`.a = 98 \
|
|
UNION \
|
|
SELECT `all_datoms01`.v AS `?y`, \
|
|
`all_datoms01`.value_type_tag AS `?y_value_type_tag` \
|
|
FROM `all_datoms` AS `all_datoms01` \
|
|
WHERE `all_datoms01`.e = 5) AS `c00` \
|
|
LIMIT 1");
|
|
assert_eq!(args, vec![]);
|
|
}
|
|
|
|
#[test]
|
|
fn test_not() {
|
|
let mut schema = Schema::default();
|
|
associate_ident(&mut schema, NamespacedKeyword::new("page", "url"), 97);
|
|
associate_ident(&mut schema, NamespacedKeyword::new("page", "title"), 98);
|
|
associate_ident(&mut schema, NamespacedKeyword::new("page", "bookmarked"), 99);
|
|
for x in 97..99 {
|
|
add_attribute(&mut schema, x, Attribute {
|
|
value_type: ValueType::String,
|
|
..Default::default()
|
|
});
|
|
}
|
|
add_attribute(&mut schema, 99, Attribute {
|
|
value_type: ValueType::Boolean,
|
|
..Default::default()
|
|
});
|
|
|
|
let query = r#"[:find ?title
|
|
:where [?page :page/title ?title]
|
|
(not [?page :page/url "http://foo.com/"]
|
|
[?page :page/bookmarked true])]"#;
|
|
let SQLQuery { sql, args } = translate(&schema, query);
|
|
assert_eq!(sql, "SELECT DISTINCT `datoms00`.v AS `?title` FROM `datoms` AS `datoms00` WHERE `datoms00`.a = 98 AND NOT EXISTS (SELECT 1 FROM `datoms` AS `datoms01`, `datoms` AS `datoms02` WHERE `datoms01`.a = 97 AND `datoms01`.v = $v0 AND `datoms02`.a = 99 AND `datoms02`.v = 1 AND `datoms00`.e = `datoms01`.e AND `datoms00`.e = `datoms02`.e)");
|
|
assert_eq!(args, vec![make_arg("$v0", "http://foo.com/")]);
|
|
}
|
|
|
|
#[test]
|
|
fn test_not_join() {
|
|
let mut schema = Schema::default();
|
|
associate_ident(&mut schema, NamespacedKeyword::new("page", "url"), 97);
|
|
associate_ident(&mut schema, NamespacedKeyword::new("bookmarks", "page"), 98);
|
|
associate_ident(&mut schema, NamespacedKeyword::new("bookmarks", "date_created"), 99);
|
|
add_attribute(&mut schema, 97, Attribute {
|
|
value_type: ValueType::String,
|
|
..Default::default()
|
|
});
|
|
add_attribute(&mut schema, 98, Attribute {
|
|
value_type: ValueType::Ref,
|
|
..Default::default()
|
|
});
|
|
add_attribute(&mut schema, 99, Attribute {
|
|
value_type: ValueType::String,
|
|
..Default::default()
|
|
});
|
|
|
|
let query = r#"[:find ?url
|
|
:where [?url :page/url]
|
|
(not-join [?url]
|
|
[?page :bookmarks/page ?url]
|
|
[?page :bookmarks/date_created "4/4/2017"])]"#;
|
|
let SQLQuery { sql, args } = translate(&schema, query);
|
|
assert_eq!(sql, "SELECT DISTINCT `datoms00`.e AS `?url` FROM `datoms` AS `datoms00` WHERE `datoms00`.a = 97 AND NOT EXISTS (SELECT 1 FROM `datoms` AS `datoms01`, `datoms` AS `datoms02` WHERE `datoms01`.a = 98 AND `datoms02`.a = 99 AND `datoms02`.v = $v0 AND `datoms01`.e = `datoms02`.e AND `datoms00`.e = `datoms01`.v)");
|
|
assert_eq!(args, vec![make_arg("$v0", "4/4/2017")]);
|
|
}
|
|
|
|
#[test]
|
|
fn test_with_without_aggregate() {
|
|
let schema = prepopulated_schema();
|
|
|
|
// Known type.
|
|
let query = r#"[:find ?x :with ?y :where [?x :foo/bar ?y]]"#;
|
|
let SQLQuery { sql, args } = translate(&schema, query);
|
|
assert_eq!(sql, "SELECT DISTINCT `datoms00`.e AS `?x`, `datoms00`.v AS `?y` FROM `datoms` AS `datoms00` WHERE `datoms00`.a = 99");
|
|
assert_eq!(args, vec![]);
|
|
|
|
// Unknown type.
|
|
let query = r#"[:find ?x :with ?y :where [?x _ ?y]]"#;
|
|
let SQLQuery { sql, args } = translate(&schema, query);
|
|
assert_eq!(sql, "SELECT DISTINCT `all_datoms00`.e AS `?x`, `all_datoms00`.v AS `?y`, `all_datoms00`.value_type_tag AS `?y_value_type_tag` FROM `all_datoms` AS `all_datoms00`");
|
|
assert_eq!(args, vec![]);
|
|
}
|
|
|
|
#[test]
|
|
fn test_order_by() {
|
|
let schema = prepopulated_schema();
|
|
|
|
// Known type.
|
|
let query = r#"[:find ?x :where [?x :foo/bar ?y] :order (desc ?y)]"#;
|
|
let SQLQuery { sql, args } = translate(&schema, query);
|
|
assert_eq!(sql, "SELECT DISTINCT `datoms00`.e AS `?x`, `datoms00`.v AS `?y` \
|
|
FROM `datoms` AS `datoms00` \
|
|
WHERE `datoms00`.a = 99 \
|
|
ORDER BY `?y` DESC");
|
|
assert_eq!(args, vec![]);
|
|
|
|
// Unknown type.
|
|
let query = r#"[:find ?x :with ?y :where [?x _ ?y] :order ?y ?x]"#;
|
|
let SQLQuery { sql, args } = translate(&schema, query);
|
|
assert_eq!(sql, "SELECT DISTINCT `all_datoms00`.e AS `?x`, `all_datoms00`.v AS `?y`, \
|
|
`all_datoms00`.value_type_tag AS `?y_value_type_tag` \
|
|
FROM `all_datoms` AS `all_datoms00` \
|
|
ORDER BY `?y_value_type_tag` ASC, `?y` ASC, `?x` ASC");
|
|
assert_eq!(args, vec![]);
|
|
}
|
|
|
|
#[test]
|
|
fn test_complex_nested_or_join_type_projection() {
|
|
let mut schema = Schema::default();
|
|
associate_ident(&mut schema, NamespacedKeyword::new("page", "title"), 98);
|
|
add_attribute(&mut schema, 98, Attribute {
|
|
value_type: ValueType::String,
|
|
..Default::default()
|
|
});
|
|
|
|
let input = r#"[:find [?y]
|
|
:where
|
|
(or
|
|
(or
|
|
[_ :page/title ?y])
|
|
(or
|
|
[_ :page/title ?y]))]"#;
|
|
|
|
let SQLQuery { sql, args } = translate(&schema, input);
|
|
assert_eq!(sql, "SELECT `c00`.`?y` AS `?y` \
|
|
FROM (SELECT `datoms00`.v AS `?y` \
|
|
FROM `datoms` AS `datoms00` \
|
|
WHERE `datoms00`.a = 98 \
|
|
UNION \
|
|
SELECT `datoms01`.v AS `?y` \
|
|
FROM `datoms` AS `datoms01` \
|
|
WHERE `datoms01`.a = 98) \
|
|
AS `c00` \
|
|
LIMIT 1");
|
|
assert_eq!(args, vec![]);
|
|
}
|
|
|
|
#[test]
|
|
fn test_ground_scalar() {
|
|
let schema = prepopulated_schema();
|
|
|
|
// Verify that we accept inline constants.
|
|
let query = r#"[:find ?x . :where [(ground "yyy") ?x]]"#;
|
|
let SQLQuery { sql, args } = translate(&schema, query);
|
|
assert_eq!(sql, "SELECT $v0 AS `?x` LIMIT 1");
|
|
assert_eq!(args, vec![make_arg("$v0", "yyy")]);
|
|
|
|
// Verify that we accept bound input constants.
|
|
let query = r#"[:find ?x . :in ?v :where [(ground ?v) ?x]]"#;
|
|
let inputs = QueryInputs::with_value_sequence(vec![(Variable::from_valid_name("?v"), TypedValue::String(Rc::new("aaa".into())))]);
|
|
let SQLQuery { sql, args } = translate_with_inputs(&schema, query, inputs);
|
|
assert_eq!(sql, "SELECT $v0 AS `?x` LIMIT 1");
|
|
assert_eq!(args, vec![make_arg("$v0", "aaa"),]);
|
|
}
|
|
|
|
#[test]
|
|
fn test_ground_tuple() {
|
|
let schema = prepopulated_schema();
|
|
|
|
// Verify that we accept inline constants.
|
|
let query = r#"[:find ?x ?y :where [(ground [1 "yyy"]) [?x ?y]]]"#;
|
|
let SQLQuery { sql, args } = translate(&schema, query);
|
|
assert_eq!(sql, "SELECT DISTINCT 1 AS `?x`, $v0 AS `?y`");
|
|
assert_eq!(args, vec![make_arg("$v0", "yyy")]);
|
|
|
|
// Verify that we accept bound input constants.
|
|
let query = r#"[:find [?x ?y] :in ?u ?v :where [(ground [?u ?v]) [?x ?y]]]"#;
|
|
let inputs = QueryInputs::with_value_sequence(vec![(Variable::from_valid_name("?u"), TypedValue::Long(2)),
|
|
(Variable::from_valid_name("?v"), TypedValue::String(Rc::new("aaa".into()))),]);
|
|
let SQLQuery { sql, args } = translate_with_inputs(&schema, query, inputs);
|
|
// TODO: treat 2 as an input variable that could be bound late, rather than eagerly binding it.
|
|
assert_eq!(sql, "SELECT 2 AS `?x`, $v0 AS `?y` LIMIT 1");
|
|
assert_eq!(args, vec![make_arg("$v0", "aaa"),]);
|
|
}
|
|
|
|
#[test]
|
|
fn test_ground_coll() {
|
|
let schema = prepopulated_schema();
|
|
|
|
// Verify that we accept inline constants.
|
|
let query = r#"[:find ?x :where [(ground ["xxx" "yyy"]) [?x ...]]]"#;
|
|
let SQLQuery { sql, args } = translate(&schema, query);
|
|
assert_eq!(sql, "SELECT DISTINCT `c00`.`?x` AS `?x` FROM \
|
|
(SELECT 0 AS `?x` WHERE 0 UNION ALL VALUES ($v0), ($v1)) AS `c00`");
|
|
assert_eq!(args, vec![make_arg("$v0", "xxx"),
|
|
make_arg("$v1", "yyy")]);
|
|
|
|
// Verify that we accept bound input constants.
|
|
let query = r#"[:find ?x :in ?u ?v :where [(ground [?u ?v]) [?x ...]]]"#;
|
|
let inputs = QueryInputs::with_value_sequence(vec![(Variable::from_valid_name("?u"), TypedValue::Long(2)),
|
|
(Variable::from_valid_name("?v"), TypedValue::Long(3)),]);
|
|
let SQLQuery { sql, args } = translate_with_inputs(&schema, query, inputs);
|
|
// TODO: treat 2 and 3 as input variables that could be bound late, rather than eagerly binding.
|
|
assert_eq!(sql, "SELECT DISTINCT `c00`.`?x` AS `?x` FROM \
|
|
(SELECT 0 AS `?x` WHERE 0 UNION ALL VALUES (2), (3)) AS `c00`");
|
|
assert_eq!(args, vec![]);
|
|
}
|
|
|
|
#[test]
|
|
fn test_ground_rel() {
|
|
let schema = prepopulated_schema();
|
|
|
|
// Verify that we accept inline constants.
|
|
let query = r#"[:find ?x ?y :where [(ground [[1 "xxx"] [2 "yyy"]]) [[?x ?y]]]]"#;
|
|
let SQLQuery { sql, args } = translate(&schema, query);
|
|
assert_eq!(sql, "SELECT DISTINCT `c00`.`?x` AS `?x`, `c00`.`?y` AS `?y` FROM \
|
|
(SELECT 0 AS `?x`, 0 AS `?y` WHERE 0 UNION ALL VALUES (1, $v0), (2, $v1)) AS `c00`");
|
|
assert_eq!(args, vec![make_arg("$v0", "xxx"),
|
|
make_arg("$v1", "yyy")]);
|
|
|
|
// Verify that we accept bound input constants.
|
|
let query = r#"[:find ?x ?y :in ?u ?v :where [(ground [[?u 1] [?v 2]]) [[?x ?y]]]]"#;
|
|
let inputs = QueryInputs::with_value_sequence(vec![(Variable::from_valid_name("?u"), TypedValue::Long(3)),
|
|
(Variable::from_valid_name("?v"), TypedValue::Long(4)),]);
|
|
let SQLQuery { sql, args } = translate_with_inputs(&schema, query, inputs);
|
|
// TODO: treat 3 and 4 as input variables that could be bound late, rather than eagerly binding.
|
|
assert_eq!(sql, "SELECT DISTINCT `c00`.`?x` AS `?x`, `c00`.`?y` AS `?y` FROM \
|
|
(SELECT 0 AS `?x`, 0 AS `?y` WHERE 0 UNION ALL VALUES (3, 1), (4, 2)) AS `c00`");
|
|
assert_eq!(args, vec![]);
|
|
}
|
|
|
|
#[test]
|
|
fn test_compound_with_ground() {
|
|
let schema = prepopulated_schema();
|
|
|
|
// Verify that we can use the resulting CCs as children in compound CCs.
|
|
let query = r#"[:find ?x :where (or [(ground "yyy") ?x]
|
|
[(ground "zzz") ?x])]"#;
|
|
let SQLQuery { sql, args } = translate(&schema, query);
|
|
|
|
// This is confusing because the computed tables (like `c00`) are numbered sequentially in each
|
|
// arm of the `or` rather than numbered globally. But SQLite scopes the names correctly, so it
|
|
// works. In the future, we might number the computed tables globally to make this more clear.
|
|
assert_eq!(sql, "SELECT DISTINCT `c00`.`?x` AS `?x` FROM (\
|
|
SELECT $v0 AS `?x` UNION \
|
|
SELECT $v1 AS `?x`) AS `c00`");
|
|
assert_eq!(args, vec![make_arg("$v0", "yyy"),
|
|
make_arg("$v1", "zzz"),]);
|
|
|
|
// Verify that we can use ground to constrain the bindings produced by earlier clauses.
|
|
let query = r#"[:find ?x . :where [_ :foo/bar ?x] [(ground "yyy") ?x]]"#;
|
|
let SQLQuery { sql, args } = translate(&schema, query);
|
|
assert_eq!(sql, "SELECT $v0 AS `?x` FROM `datoms` AS `datoms00` \
|
|
WHERE `datoms00`.a = 99 AND `datoms00`.v = $v0 LIMIT 1");
|
|
|
|
assert_eq!(args, vec![make_arg("$v0", "yyy")]);
|
|
|
|
// Verify that we can further constrain the bindings produced by our clause.
|
|
let query = r#"[:find ?x . :where [(ground "yyy") ?x] [_ :foo/bar ?x]]"#;
|
|
let SQLQuery { sql, args } = translate(&schema, query);
|
|
assert_eq!(sql, "SELECT $v0 AS `?x` FROM `datoms` AS `datoms00` \
|
|
WHERE `datoms00`.a = 99 AND `datoms00`.v = $v0 LIMIT 1");
|
|
|
|
assert_eq!(args, vec![make_arg("$v0", "yyy")]);
|
|
}
|
|
|
|
#[test]
|
|
fn test_unbound_attribute_with_ground_entity() {
|
|
let query = r#"[:find ?x ?v :where [?x _ ?v] (not [(ground 17) ?x])]"#;
|
|
let schema = prepopulated_schema();
|
|
let SQLQuery { sql, .. } = translate(&schema, query);
|
|
assert_eq!(sql, "SELECT DISTINCT `all_datoms00`.e AS `?x`, \
|
|
`all_datoms00`.v AS `?v`, \
|
|
`all_datoms00`.value_type_tag AS `?v_value_type_tag` \
|
|
FROM `all_datoms` AS `all_datoms00` \
|
|
WHERE NOT EXISTS (SELECT 1 WHERE `all_datoms00`.e = 17)");
|
|
}
|
|
|
|
#[test]
|
|
fn test_unbound_attribute_with_ground() {
|
|
let query = r#"[:find ?x ?v :where [?x _ ?v] (not [(ground 17) ?v])]"#;
|
|
let schema = prepopulated_schema();
|
|
let SQLQuery { sql, .. } = translate(&schema, query);
|
|
assert_eq!(sql, "SELECT DISTINCT `all_datoms00`.e AS `?x`, \
|
|
`all_datoms00`.v AS `?v`, \
|
|
`all_datoms00`.value_type_tag AS `?v_value_type_tag` \
|
|
FROM `all_datoms` AS `all_datoms00` \
|
|
WHERE NOT EXISTS (SELECT 1 WHERE `all_datoms00`.v = 17 AND \
|
|
`all_datoms00`.value_type_tag = 5)");
|
|
}
|
|
|
|
|
|
#[test]
|
|
fn test_not_with_ground() {
|
|
let mut schema = prepopulated_schema();
|
|
associate_ident(&mut schema, NamespacedKeyword::new("db", "valueType"), 7);
|
|
associate_ident(&mut schema, NamespacedKeyword::new("db.type", "ref"), 23);
|
|
associate_ident(&mut schema, NamespacedKeyword::new("db.type", "bool"), 28);
|
|
associate_ident(&mut schema, NamespacedKeyword::new("db.type", "instant"), 29);
|
|
add_attribute(&mut schema, 7, Attribute {
|
|
value_type: ValueType::Ref,
|
|
multival: false,
|
|
..Default::default()
|
|
});
|
|
|
|
// Scalar.
|
|
// TODO: this kind of simple `not` should be implemented without the subquery. #476.
|
|
let query = r#"[:find ?x :where [?x :db/valueType ?v] (not [(ground :db.type/instant) ?v])]"#;
|
|
let SQLQuery { sql, .. } = translate(&schema, query);
|
|
assert_eq!(sql,
|
|
"SELECT DISTINCT `datoms00`.e AS `?x` FROM `datoms` AS `datoms00` WHERE `datoms00`.a = 7 AND NOT \
|
|
EXISTS (SELECT 1 WHERE `datoms00`.v = 29)");
|
|
|
|
// Coll.
|
|
// TODO: we can generate better SQL for this, too. #476.
|
|
let query = r#"[:find ?x :where [?x :db/valueType ?v] (not [(ground [:db.type/bool :db.type/instant]) [?v ...]])]"#;
|
|
let SQLQuery { sql, .. } = translate(&schema, query);
|
|
assert_eq!(sql,
|
|
"SELECT DISTINCT `datoms00`.e AS `?x` FROM `datoms` AS `datoms00` \
|
|
WHERE `datoms00`.a = 7 AND NOT EXISTS \
|
|
(SELECT 1 FROM (SELECT 0 AS `?v` WHERE 0 UNION ALL VALUES (28), (29)) AS `c00` \
|
|
WHERE `datoms00`.v = `c00`.`?v`)");
|
|
}
|